he shot several rounds at hernandez, but when he moved away and hernandez started to move, he returned and shot him again, and as we know, hernandez was fatally wounded, david. >> how much additional security will there be for tsa at airports? >> they said the shooting will not lead to a decision to arm tsa officers, and they have a couple reasons. first they say airport security has never been tsa's mission. that's in the hands of airport police or other city officials who do carry firearms. the job of tsa is to protect airline passengers by keeping dangerous things off planes. and second, tsa officers are not sworn officer officials. they do not have arrest authority, they are not trained to use firearms. they could be, but that would represent a major change in their mission. all of that said, the union that represents tsa employees says airports need to provide more armed security at the screening checkpoints, david. >> all right, pete reams here in our newsroom. thanks very much. >>> i want to get back to talking about mitt romney and obama care. he had very tough criticism for pr